Routing Table Report 08:00 +10GMT Fri 06 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 383281
Prefixes after maximum aggregation: 166567
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 190611
Total ASes present in the Internet Routing Table: 37792
Prefixes per ASN: 10.14
Origin-only ASes present in the Internet Routing Table: 32559
Origin ASes announcing only one prefix: 15539
Transit ASes present in the Internet Routing Table: 5233
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 2807
Unregistered ASNs in the Routing Table: 1105
Number of 32-bit ASNs allocated by the RIRs: 2157
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 4347
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 118
Number of addresses announced to Internet: 2523696128
Equivalent to 150 /8s, 108 /16s and 140 /24s
Percentage of available address space announced: 68.1
Percentage of allocated address space announced: 68.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 160776
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 91506
Total APNIC prefixes after maximum aggregation: 30087
APNIC Deaggregation factor: 3.04
Prefixes being announced from the APNIC address blocks: 88856
Unique aggregates announced from the APNIC address blocks: 38851
APNIC Region origin ASes present in the Internet Routing Table: 4577
APNIC Prefixes per ASN: 19.41
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 699
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 632819456
Equivalent to 37 /8s, 184 /16s and 15 /24s
Percentage of available APNIC address space announced: 80.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 145801
Total ARIN prefixes after maximum aggregation: 74474
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118132
Unique aggregates announced from the ARIN address blocks: 48974
ARIN Region origin ASes present in the Internet Routing Table: 14772
ARIN Prefixes per ASN: 8.00
ARIN Region origin ASes announcing only one prefix: 5673
ARIN Region transit ASes present in the Internet Routing Table: 1504
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 804798464
Equivalent to 47 /8s, 248 /16s and 64 /24s
Percentage of available ARIN address space announced: 64.0
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 95872
Total RIPE prefixes after maximum aggregation: 51904
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 87866
Unique aggregates announced from the RIPE address blocks: 55612
RIPE Region origin ASes present in the Internet Routing Table: 16223
RIPE Prefixes per ASN: 5.42
RIPE Region origin ASes announcing only one prefix: 7996
RIPE Region transit ASes present in the Internet Routing Table: 2568
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 495980288
Equivalent to 29 /8s, 144 /16s and 15 /24s
Percentage of available RIPE address space announced: 79.9
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 36495
Total LACNIC prefixes after maximum aggregation: 7955
LACNIC Deaggregation factor: 4.59
Prefixes being announced from the LACNIC address blocks: 36215
Unique aggregates announced from the LACNIC address blocks: 19195
LACNIC Region origin ASes present in the Internet Routing Table: 1548
LACNIC Prefixes per ASN: 23.39
LACNIC Region origin ASes announcing only one prefix: 447
LACNIC Region transit ASes present in the Internet Routing Table: 275
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 95227136
Equivalent to 5 /8s, 173 /16s and 13 /24s
Percentage of available LACNIC address space announced: 63.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8553
Total AfriNIC prefixes after maximum aggregation: 2075
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 6603
Unique aggregates announced from the AfriNIC address blocks: 2073
AfriNIC Region origin ASes present in the Internet Routing Table: 505
AfriNIC Prefixes per ASN: 13.08
AfriNIC Region origin ASes announcing only one prefix: 159
AfriNIC Region transit ASes present in the Internet Routing Table: 115
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 30793728
Equivalent to 1 /8s, 213 /16s and 224 /24s
Percentage of available AfriNIC address space announced: 45.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1901 11097 657 Korea Telecom (KIX)
17974 1628 503 37 PT Telekomunikasi Indonesia
7545 1627 303 86 TPG Internet Pty Ltd
4755 1500 385 157 TATA Communications formerly
9829 1149 989 28 National Internet Backbone
9583 1111 81 496 Sify Limited
7552 1100 1062 11 Vietel Corporation
24560 986 381 164 Bharti Airtel Ltd., Telemedia
18101 976 131 157 Reliance Infocom Ltd Internet
4808 971 1945 274 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3476 3814 218 BellSouth.net Inc.
7029 3194 1042 213 Windstream Communications Inc
18566 2094 382 177 Covad Communications Co.
1785 1865 680 121 PaeTec Communications, Inc.
4323 1620 1081 386 tw telecom holdings, inc.
20115 1615 1551 619 Charter Communications
22773 1517 2909 107 Cox Communications Inc.
30036 1480 263 687 Mediacom Communications Corp
19262 1388 4683 401 Verizon Online LLC
7018 1314 7047 865 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1463 480 15 Corbina telecom
15557 1092 2161 64 NEUF CEGETEL (formerly LDCOM
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 645 1928 414 UPC Broadband
34984 635 132 197 BILISIM TELEKOM
20940 555 178 444 Akamai Technologies European
8551 554 360 81 Bezeq International
12479 551 636 53 France Telecom Espana SA
9116 541 326 32 Goldenlines main autonomous s
3320 531 8162 397 Deutsche Telekom AG
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1721 319 159 Types of queries are: POCs, o
28573 1564 1064 76 Types of queries are: POCs, o
8151 1320 2970 340 Uninet S.A. de C.V.
7303 1254 755 178 Telecom Argentina S.A.
27947 611 73 95 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 550 237 91 Types of queries are: POCs, o
11172 534 102 100 Alestra, S. de R.L. de C.V.
6503 527 434 68 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1039 958 13 TEDATA
24863 790 146 33 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
29571 217 17 13 Ci Telecom Autonomous system
33776 204 11 11 Starcomms Nigeria Limited
12258 196 28 61 Vodacom Internet Company
24835 191 80 8 RAYA Telecom - Egypt
16637 157 664 85 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3476 3814 218 BellSouth.net Inc.
7029 3194 1042 213 Windstream Communications Inc
18566 2094 382 177 Covad Communications Co.
4766 1901 11097 657 Korea Telecom (KIX)
1785 1865 680 121 PaeTec Communications, Inc.
10620 1721 319 159 Types of queries are: POCs, o
17974 1628 503 37 PT Telekomunikasi Indonesia
7545 1627 303 86 TPG Internet Pty Ltd
4323 1620 1081 386 tw telecom holdings, inc.
20115 1615 1551 619 Charter Communications
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3194 2981 Windstream Communications Inc
18566 2094 1917 Covad Communications Co.
1785 1865 1744 PaeTec Communications, Inc.
17974 1628 1591 PT Telekomunikasi Indonesia
10620 1721 1562 Types of queries are: POCs, o
7545 1627 1541 TPG Internet Pty Ltd
28573 1564 1488 Types of queries are: POCs, o
8402 1463 1448 Corbina telecom
22773 1517 1410 Cox Communications Inc.
4755 1500 1343 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings,
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.35.8.0/21 8400 TELEKOM SRBIJA a.d.
37.35.64.0/21 33983 National IP network of ARTMOT
Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:27 /11:81 /12:238
/13:465 /14:813 /15:1448 /16:12053 /17:6120 /18:10162
/19:20289 /20:27937 /21:28285 /22:38428 /23:35754 /24:200602
/25:11 /26:21 /27:20 /28:155 /29:134 /30:67
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2806 3194 Windstream Communications Inc
6389 2120 3476 BellSouth.net Inc.
18566 2043 2094 Covad Communications Co.
10620 1616 1721 Types of queries are: POCs, o
8402 1442 1463 Corbina telecom
30036 1439 1480 Mediacom Communications Corp
11492 1114 1151 CABLE ONE, INC.
1785 1065 1865 PaeTec Communications, Inc.
7011 1051 1168 Frontier Communications of Am
15557 1042 1092 NEUF CEGETEL (formerly LDCOM
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:483 2:400 4:15 5:1 6:3 8:367
12:1947 13:1 14:573 15:11 16:3 17:7
20:9 23:85 24:1712 27:1163 31:834 32:62
33:2 34:2 36:4 37:13 38:788 40:114
41:2998 42:85 44:3 46:1155 47:3 49:297
50:501 52:13 55:6 56:2 57:37 58:896
59:479 60:340 61:1077 62:941 63:1962 64:4091
65:2299 66:4359 67:1988 68:1165 69:3144 70:919
71:419 72:1785 74:2646 75:442 76:321 77:922
78:882 79:498 80:1189 81:848 82:526 83:532
84:581 85:1167 86:755 87:912 88:349 89:1578
90:260 91:4407 92:535 93:1512 94:1337 95:1025
96:396 97:294 98:792 99:38 100:18 101:126
103:600 106:9 107:123 108:101 109:1423 110:682
111:830 112:409 113:492 114:594 115:719 116:855
117:705 118:890 119:1219 120:382 121:642 122:1583
123:1049 124:1301 125:1300 128:465 129:183 130:182
131:584 132:155 133:21 134:217 135:54 136:211
137:147 138:286 139:135 140:464 141:260 142:364
143:391 144:495 145:67 146:468 147:224 148:613
149:274 150:158 151:192 152:441 153:169 154:6
155:398 156:207 157:336 158:155 159:438 160:344
161:204 162:334 163:178 164:519 165:396 166:550
167:455 168:810 169:146 170:828 171:95 172:4
173:1787 174:587 175:416 176:332 177:449 178:1168
180:1216 181:43 182:672 183:265 184:423 185:1
186:1477 187:814 188:1008 189:1174 190:5333 192:5944
193:5449 194:3792 195:3193 196:1266 197:175 198:3570
199:4213 200:5497 201:1686 202:8302 203:8486 204:4264
205:2388 206:2619 207:2732 208:4000 209:3518 210:2673
211:1447 212:1951 213:1812 214:830 215:93 216:4887
217:1479 218:559 219:333 220:1209 221:541 222:297
223:250
End of report
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